
Zpark Energy Systems AB · Luleå
As a Backend Developer, your focus will be on implementing and maintaining backend systems. You will collaborate with architects, front-end developers, and firm...
As a Backend Developer, your focus will be on implementing and maintaining backend systems. You will collaborate with architects, front-end developers, and firmware engineers to deliver robust and efficient software solutions. This role is ideal for someone who thrives in hands-on development and enjoys crafting high-quality code.
Develop and maintain backend services and systems using Go.
Implement solutions based on specifications provided by architects and stakeholders.
Optimize code for performance, reliability, fault-tolerance, and maintainability.
Collaborate with front-end developers, firmware engineers, and other stakeholders to deliver high-quality software solutions.
Participate in code reviews and provide constructive feedback to team members.
Minimum of 2 years of experience in backend development; previous experience in Go Language is a merit.
Experience with RESTful APIs and microservices.
Proficiency in working with databases (PostgreSQL, Cassandra) and caching tools (Redis or comparable).
Ability to work independently and as part of a team.
Experience with streaming tools, such as Apache Kafka or similar, is a plus.
Strong communication skills in English; proficiency in Swedish is a plus.
You will play a key role in designing, developing, and operating our backend system. You will work closely with our software and firmware teams to build reliable, scalable, and efficient services. Your experience in backend development, hosting environments, and operational tooling will be important in shaping and improving our platform. What you will do: Design, develop, and maintain backend services and systems using Go and the Twelve-Factor App methodology. Design, develop, and maintain DevOps environments and processes; including solutions for CI/CD, release processes, monitoring, and alerting. Optimize software for performance, efficiency, reliability, and scalability. Troubleshoot and debug applications to ensure smooth functionality. Collaborate with front-end developers, firmware engineers, and other stakeholders to deliver high-quality software solutions. Participate in code reviews and provide constructive feedback to team members. Your Profile Minimum of 5 years of experience in backend development. Experience with Go is a strong advantage. We also welcome candidates with solid backend experience in other typed backend languages. Experience and familiarity with concurrent and asynchronous programming. Proven experience with RESTful API design and implementation. Strong familiarity with Linux-based IT systems and hosting environments. Some familiarity with cloud service providers (AWS, Azure, or Google Cloud) is beneficial. Experience with distributed systems and cloud-native applications; including common challenges around reliability, coordination, and data consistency. Strong knowledge of databases (PostgreSQL, Cassandra) and expertise with in-memory caching solutions (Redis or comparable). Experience with distributed event-streaming and messaging systems, such as Apache Kafka or NATS. Experience working with version control systems (Git) in collaborative environments, including understanding different workflow strategies and their trade-offs. Excellent problem-solving skills and attention to detail with the ability to make sound trade-offs based on business needs and technical requirements. Ability to work independently and as part of a team. You communicate clearly and are comfortable supporting and mentoring less experienced developers. Strong communication skills in English (written and spoken); proficiency in Swedish is a plus.
You will play a key role in designing, developing, and validating our backend system. You will work closely with our software and firmware teams to develop reliable, scalable backend services with a strong focus on quality, testing, and automation. Your experience in backend development and test engineering will be important in shaping and improving our platform. What you will do: Design, develop, and maintain backend services and systems using Go and the Twelve-Factor App methodology. Design, develop, and maintain automated test frameworks, test environments, and validation processes for backend systems and services. Define and implement test strategies covering functionality, integration, system, regression, and performance testing. Build tools and test harnesses to verify the reliability, scalability, and correctness of distributed systems. Optimize software for performance, efficiency, reliability, and scalability. Troubleshoot, debug, and analyze applications and test results to ensure smooth functionality. Collaborate with front-end developers, firmware engineers, and other stakeholders to deliver high-quality software solutions. Participate in code reviews and provide constructive feedback to team members. Your Profile Minimum of 5 years of experience in backend development, test engineering, or a similar role. Experience with Go is a strong advantage. We also welcome candidates with solid backend experience in other typed backend languages. Experience designing and implementing CI-based test execution for backend systems and distributed applications. Experience and familiarity with concurrent and asynchronous programming. Proven experience with RESTful API design, implementation, and testing. Strong familiarity with Linux-based IT systems and test or hosting environments. Knowledge of databases (PostgreSQL, Cassandra) and expertise with in-memory caching solutions (Redis or comparable). Experience with distributed event-streaming and messaging systems, such as Apache Kafka or NATS. Experience working with version control systems (Git) in collaborative environments. Excellent problem-solving skills and attention to detail, with the ability to make sound trade-offs based on business needs and technical requirements. Ability to work independently and as part of a team. You communicate clearly and are comfortable supporting and mentoring less experienced developers. Strong communication skills in English, written and spoken. Proficiency in Swedish is a plus.
På Softhouse befinner vi oss i en viktig fas på vår tillväxtresa och nu är vi på jakt efter fler utvecklare som vill ansluta till vårt kontor i Luleå. Vi brinner för ny teknik och gillar att utveckla, och utvecklas, tillsammans. Om Softhouse 🧑💻 Inom Softhouse är vi ca. 300 medarbetare fördelade på våra 10 kontor och tillsammans levererar vi tjänster och mjukvara i världsklass. I Luleå är vi idag drygt 20 personer och du hittar oss i centrala lokaler på Kyrkogatan, med fin utsikt över Södra Hamn. Här möts du av trevliga kollegor som arbetar som enskilda specialister eller i sammansvetsade team för att erbjuda våra kunder bästa möjliga IT-kompetens. Passar du i rollen? 🫵 Vi söker dig som är en erfaren utvecklare med ett intresse för de senaste trenderna inom mjukvaruutveckling. Vi ser gärna att du har bra koll på backend och Java-utveckling, men det är också ett plus om du trivs med att arbeta över hela stacken. För att lyckas i rollen tror vi att du: Har flera års professionell erfarenhet av mjukvaruutveckling, gärna i en konsultroll. Har god kunskap inom system- och mjukvaruutveckling. Du behärskar Java men har också vana att navigera inom flertalet olika teknikstackar. Är en förtroendeingivande relationsskapare som har en lyhördhet för kunders behov och en vilja att erbjuda bästa möjliga mjukvarulösning. Drivs av att utvecklas och att dela dina kunskaper med kollegor. Kan uttrycka dig obehindrat på svenska och engelska. Vad du får hos oss 🤝 Här får du möjlighet att bli del av ett framåtsträvande bolag där du och din work-life-balance är i fokus. Utöver vårt generösa förmånspaket får du också: Möjlighet att påverka och bidra till företagets framgång, i en inspirerande arbetsmiljö med engagerade kollegor. En mix av spännande och utmanande uppdrag med allt från nyutveckling till förvaltning och vidareutveckling. Individuellt anpassad kompetensutveckling och aktiv kunskapsdelning med andra duktiga Softhouse-kollegor. Stämningen är öppen och prestigelös där vi delar med oss av kunskap och erfarenheter. Ett team som gillar att göra saker tillsammans för att förhöja vardagen. Ett värderingsstyrt bolag där vi alla känner igen oss i våra värdeord: Team, Enkelhet, Mod och Passion. Låter det intressant? Då ser vi fram emot att ta del av din ansökan! Vi hanterar all rekrytering internt och undanber därför kontakt från externa rekryteringsbolag och annonsförmedlare.