Lead Backend Engineer Job at Social Value Portal Ltd (London)

Lead Backend Engineer

Tonsser is on a mission to redefine youth sports. Hundreds of thousands of young...

Location

Salary:

80000.00 - 90000.00 EUR / Year

Tonsser

Expiration Date

Until further notice

Requirements

Significant experience as a senior or lead backend engineer, ideally with time spent owning architecture decisions in a production environment
Deep comfort with at least one of Ruby, Python, Elixir, Go, or a similar modern backend language, and the judgement to know when language choice matters and when it doesn't
Strong opinions on API design, data modelling, and system evolution
Hands-on experience integrating AI/LLM capabilities into real products, or a strong, demonstrable interest in doing so
Experience leading or mentoring other engineers
Comfortable working remotely across European timezones

Job Responsibility

Lead the architectural direction of our backend platform as we evolve from where we are today toward what's next
Drive the technical roadmap for our new flagship project
Set the standard for how the team works with AI, both in our development workflow and as a product capability
Ship production code, review PRs, and mentor the engineers around you
Partner closely with product, mobile, and design to turn ambitious ideas into things that actually work at scale
Make pragmatic calls about what to keep, what to evolve, and what to rebuild

What we offer

Remote work across Europe

Fulltime

Lead Backend Engineer

We are looking for a highly motivated and experienced Lead Backend Engineer to j...

Location

Salary:

Not provided

Commencis

Expiration Date

Until further notice

Requirements

BS/MS degree in Computer Science, Engineering or a related subject
Proven hands-on software engineering experience
Strong experience in Java development
Strong experience with Spring Framework, preferably Spring Boot
Hands-on experience in designing and developing enterprise-grade backend applications
Solid understanding of microservice architecture and distributed systems
Experience with event-driven architecture and asynchronous integration patterns
Strong knowledge of scalable, resilient and high-availability system design
Solid understanding of object-oriented analysis and design using common design patterns
Experience with RESTful APIs and backend integration patterns

Job Responsibility

Design, implement, and operate cloud-native AI/ML services that are secure, reliable, and cost-efficient ensuring that they meet the business objectives and adhere to service level agreements (SLA)
Deploy and maintain AI applications on cloud- architecture
Build retrieval-augmented generation (RAG) stacks: embeddings, vector stores, chunking, and evaluation
Create MLOps foundations: experiment tracking, model registry, CI/CD for data & models, and Infrastructure-as-Code
Investigate new techniques, tools, and methods that might increase efficiency among engineering & technology and cloud teams, as well as leading execution processes of topics evaluated & planned for roll-out
Collaborate with other technical leaders and business stakeholders to align all constraints and come up with solutions regarding project/product/initiative outputs
Be accountable for the reliability and security of cloud infrastructure and services
Provide visibility of performance, cost, and the security of cloud infrastructure and services
Drive continuous improvement, continuous delivery, and lean practices within the cloud team
Keep up to date on modern technologies and trends and advocate for their inclusion within products when it makes sense

What we offer

Competitive salary
Private health insurance
Pension and retirement plans through a company-backed pension system
Meal card
Commute compensation
Work-from home support
Paid birthday off
Flexible working hours including remote working option
Online events, guest speakers, refreshments in the office, meeting-light culture
Support learning and development programs for almost anything

Fulltime

Lead Backend Engineer

We’re looking for a Lead Backend Engineer to join a fast-growing private equity ...

Location

European Economic Area

Salary:

Not provided

Orbis Consultants

Expiration Date

Until further notice

Requirements

Strong experience in Python and FastAPI
Hands-on with Azure cloud services and infrastructure
Background in investment or quantitative systems
Comfortable owning and troubleshooting production-grade systems

Job Responsibility

Build and maintain APIs and backend services in Python and FastAPI
Develop and improve deployment pipelines, automation, and monitoring
Support trading and investment systems used by quant and private equity teams
Take ownership of production systems, ensuring they run smoothly

Lead Backend Engineer

Join us as a Lead Backend Engineer -VP at Barclays, where you will spearhead the...

Location

India , Pune

Salary:

Not provided

Barclays

Expiration Date

Until further notice

Requirements

Expert level in Java 17 and above
Microservices
MicroFrontend
Angular 15 or above
Oracle 19c or above
Kafka or any event driven messaging
Excellent communication skills with clear and concise technical and business communication
Strategic thinking with clear vision to set technical direction
Good stakeholder management

Job Responsibility

Provision of guidance and expertise to engineering teams to ensure alignment with best practices and foster a culture of technical excellence
Contribution to strategic planning by aligning technical decisions with business goals, anticipating future technology trends, and providing insights to optimize product roadmaps
Design and implementation of complex, scalable, and maintainable software solutions, considering long-term viability and business objectives
Mentoring and coaching to junior and mid-level engineers to foster professional growth and knowledge sharing, elevating the overall skillset and capabilities of the organization
Collaboration with business partners, product managers, designers, and other stakeholders to translate business requirements into technical solutions and ensure a cohesive approach to product development
Innovation within the organization by identifying and incorporating new technologies, methodologies, and industry practices into the engineering process

What we offer

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Fulltime

Lead Backend Engineer

At cozycozy, we’re building the world’s best accommodation metasearch platform, ...

Location

France , Paris

Salary:

Not provided

cozycozy

Expiration Date

Until further notice

Requirements

Strong experience with Node.js + TypeScript (Fastify, Express, Yarn, Zod, OpenAPI, Jest)
Solid experience with Go (Gin, Zap, code generators) or willingness to deepen your Go skills
Deep understanding of databases: MongoDB, PostgreSQL, Redis/Dragonfly and know Functional Programming Principles
Strong experience with Docker, Kubernetes, and cloud/bare-metal deployments (Linux, K3s)
Experience with queues & event-driven systems (RabbitMQ, Google Pub/Sub, Kafka)
Experience building and maintaining REST (OpenAPI, Swagger), gRPC APIs
Confidence working on big data pipelines, collaborating with data engineers, and creating scheduled jobs with Airflow or k8s Cronjobs
Observability-driven engineer with hands-on experience in Grafana, Prometheus, Loki, and Promtail

Job Responsibility

Act as the reference engineer for backend topics, supporting the Head of Engineering in driving technical direction
Mentor senior and mid-level engineers, helping them grow through guidance on architecture, best practices, and code quality
Lead technical discussions, design reviews, and RFC processes
Own core backend systems powering millions of real-time accommodation results
Design and maintain scalable, low-latency services ingesting large volumes of data from dozens of partners
Contribute to key architecture decisions and ensure alignment with long-term platform goals
Ensure reliability, performance, and observability across backend components
Write high-quality TypeScript/Node.js and Go code while supporting continuous delivery of new features
Evolve our APIs (REST, gRPC, OpenAPI) to improve speed and performance
Work closely with product, data, and frontend to deliver user-impacting improvements

What we offer

Competitive salary
Stock options
Alan health insurance
Swile card

Lead Backend Engineer

Join the Customer Experience Platform team to help build a world-class Customer ...

Location

United States , San Francisco; Los Angeles; Seattle; New York

Salary:

195000.00 - 230000.00 USD / Year

Whatnot

Expiration Date

Until further notice

Requirements

5+ years of full-time software engineering experience in high growth startups
Bachelor’s degree in Computer Science, a related field, or equivalent work experience
Proven track record of building end-to-end product experiences and scaling high-scale backend systems
Experience with Python, Elixir, and/or Postgres is a plus
Ownership Mindset: Own projects holistically from inception to production and beyond
Product Instinct: Excel at translating user needs to effective technical solutions
Problem Solving: Thrive in ambiguity and tackle challenging problems with creativity and autonomy
Team Leadership: Proactively improve the team environment and foster inclusive, supportive team culture

Job Responsibility

Build new user-facing experiences
Scale internal infrastructure
Design intelligent AI-powered automations to help solve thousands of customer issues per hour
Lead solutions end to end
Translate ambiguous business problems into clear technical solutions and drive delivery and experimentation
Balance development speed, product impact, and technical excellence

What we offer

Generous Holiday and Time off Policy
Health Insurance options including Medical, Dental, Vision
Work From Home Support
Home office setup allowance
Monthly allowance for cell phone and internet
Care benefits
Monthly allowance for wellness
Annual allowance towards Childcare
Lifetime benefit for family planning, such as adoption or fertility expenses
Retirement

Fulltime

Lead Backend Engineer

At cozycozy, we’re building the world’s best accommodation metasearch platform, ...

Location

France , Paris

Salary:

Not provided

cozycozy

Expiration Date

Until further notice

Requirements

Strong experience with Node.js + TypeScript (Fastify, Express, Yarn, Zod, OpenAPI, Jest ) monorepo tooling is a plus
Solid experience with Go (Gin, Zap, code generators) or willingness to deepen your Go skills
Deep understanding of databases: MongoDB, PostgreSQL, Redis/Dragonfly and know Functional Programming Principles
Strong experience with Docker, Kubernetes, and cloud/bare-metal deployments (Linux, K3s)
Experience with queues & event-driven systems (RabbitMQ, Google Pub/Sub, Kafka)
Experience building and maintaining REST (OpenAPI, Swagger), gRPC APIs
Confidence working on big data pipelines, collaborating with data engineers, and creating scheduled jobs with Airflow or k8s Cronjobs
Observability-driven engineer with hands-on experience in Grafana, Prometheus, Loki, and Promtail, and a mindset focused on continuously improving monitoring and insights

Job Responsibility

Act as the reference engineer for backend topics, supporting the Head of Engineering in driving technical direction
Mentor senior and mid-level engineers, helping them grow through guidance on architecture, best practices, and code quality
Lead technical discussions, design reviews, and RFC processes
Own core backend systems powering millions of real-time accommodation results
Design and maintain scalable, low-latency services ingesting large volumes of data from dozens of partners
Contribute to key architecture decisions and ensure alignment with long-term platform goals
Ensure reliability, performance, and observability across backend components
Write high-quality TypeScript/Node.js and Go code while supporting continuous delivery of new features
Evolve our APIs (REST, gRPC, OpenAPI) to improve speed and performance
Work closely with product, data, and frontend to deliver user-impacting improvements

What we offer

Competitive salary
stock options
Alan health insurance
Swile card

Lead Backend Engineer

Help bring AI agents to companies worldwide. Over the next decade, autonomous ag...

Location

Canada , Montreal

Salary:

Not provided

Botpress Technologies Inc.

Expiration Date

Until further notice

Requirements

5+ years of experience with high-scale SaaS platforms, developer tools, and/or AI-driven products
Deep expertise in JavaScript/TypeScript, Nodejs, and operating backend systems in production
You’ve led technical projects end-to-end and enjoy taking ownership
Strong understanding of APIs, databases, distributed systems, and cloud infrastructure
Comfortable balancing speed and quality in a fast-moving environment
You write clean, maintainable code and care about long-term system health
You enjoy mentoring teammates and setting a high engineering bar
You thrive in collaborative teams where engineering and product work closely together

Job Responsibility

Lead the design and development of backend services and APIs that support mission-critical product features
Own architecture decisions around scalability, reliability, and performance
Collaborate closely with product, frontend, and platform teams to deliver end-to-end solutions
Build and maintain distributed systems, databases, and internal tooling
Establish strong engineering practices around code quality, testing, observability, and deployment
Mentor and support other engineers through technical guidance and review
Drive improvements in system performance, security, and infrastructure efficiency
Help define backend technical strategy as the company scales

What we offer

Work at one of Canada’s fastest-growing AI start-ups
Work with a talented and passionate team
4 weeks of vacation
Paid sick and parental leave
Comprehensive health, dental, vision, travel, and life insurance
Funding for education and skills improvement
Fully-stocked fridge and cupboard – we take snacks seriously
Your own desk – no ‘hot-desk’-style sign-up systems
A vibrant office community, including weekly socials

Fulltime

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